code: def test_strip_stopword_tokens(self):
      self.assertEqual(
          remove_stopword_tokens(["the", "world", "is", "sphere"]),
          ["world", "sphere"],
      )
  
      # confirm redifining the global `STOPWORDS` working
      with mock.patch(
          "gensim.parsing.preprocessing.STOPWORDS", frozenset(["the"])
      ):
          self.assertEqual(
              remove_stopword_tokens(["the", "world", "is", "sphere"]),
              ["world", "is", "sphere"],
          )
  
file_path: gensim/gensim/test/test_parsing.py
imports: import logging
  import unittest
  import mock
  import numpy
  from gensim.parsing.preprocessing import remove_short_tokens, remove_stopword_tokens, remove_stopwords, stem_text, split_alphanum, split_on_space, strip_multiple_whitespaces, strip_non_alphanum, strip_numeric, strip_punctuation, strip_short, strip_tags
label_desc: Use image node_id 8 for calling the TestPreprocessing obj's underlying member method code with example usage: obj.test_strip_stopword_tokens() without return types